发明授权
- 专利标题: Greenhouse heating by means of immersed water-bed (basin)
- 专利标题(中): 通过浸水式水床(盆)进行温室采暖
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申请号: US88114申请日: 1987-08-21
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公开(公告)号: US4790478A公开(公告)日: 1988-12-13
- 发明人: Yvan Sauvageau
- 申请人: Yvan Sauvageau
- 专利权人: Yvan Sauvageau
- 当前专利权人: Yvan Sauvageau
- 优先权: CAX1207727 19860715
- 主分类号: A01G9/24
- IPC分类号: A01G9/24 ; F24D3/14 ; A01G9/00
摘要:
A method of heating a greenhouse by means of an immersed water-bed (basin) which act as a heat radiator sit underneath the complete surface of the cultural soil; this immersed water-bed (basin) filled with gravel is heated by means of hot water or steam heating coil.
公开/授权文献
- USD412792S Arm chair 公开/授权日:1999-08-17
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